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(11)

EP 3 373 847 A1

(12)

(43) Date of publication: 19.09.2018 Bulletin 2018/38 (21) Application number: 16798820.3 (22) Date of filing: 09.11.2016

(51) International Patent Classification (IPC):  A61C 7/08(2006.01) A61C 7/16(2006.01) A61C 7/14(2006.01) (86) International application number: PCT/IB2016/056734 (87) International publication number: WO 2017/081616 (18.05.2017 Gazette 2017/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 12.11.2015 US 201514939252 (71) Applicant: Align Technology, Inc. San Jose, CA 95134 (US)

(72) Inventors: WEBBER, Peter Lafayette, CA 94549 (US) CHEN, Jennifer Alhambra, CA 94801 (US) CHEN, Yan Cupertino, CA 95014 (US) CHENG, Jihua San Jose, CA 95129 (US) PESENTI, Bastien Santa Clara, CA 95118 (US) LI, Chunhua Cupertino, CA 95014 (US) (74) Representative: Eve, Rosemary Margaret  Brookes IP Windsor House 6-10 Mount Ephraim Road Tunbridge Wells Kent TN1 1EE Tunbridge Wells Kent TN1 1EE (GB)